WO2004044619A3 - Proximity sensor - Google Patents
Proximity sensor Download PDFInfo
- Publication number
- WO2004044619A3 WO2004044619A3 PCT/GB2003/004861 GB0304861W WO2004044619A3 WO 2004044619 A3 WO2004044619 A3 WO 2004044619A3 GB 0304861 W GB0304861 W GB 0304861W WO 2004044619 A3 WO2004044619 A3 WO 2004044619A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detector
- mask
- proximity sensor
- scene
- light
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/04—Systems determining the presence of a target
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Electronic Switches (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03775516A EP1561125A2 (en) | 2002-11-11 | 2003-11-11 | Proximity sensor |
US10/534,494 US7459670B2 (en) | 2002-11-11 | 2003-11-11 | Proximity sensor based on projection of structured light |
JP2004550804A JP4533147B2 (en) | 2002-11-11 | 2003-11-11 | Proximity sensor |
AU2003283542A AU2003283542A1 (en) | 2002-11-11 | 2003-11-11 | Proximity sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0226243.4 | 2002-11-11 | ||
GB0226243A GB2395262A (en) | 2002-11-11 | 2002-11-11 | Optical proximity sensor with array of spot lights and a mask |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004044619A2 WO2004044619A2 (en) | 2004-05-27 |
WO2004044619A3 true WO2004044619A3 (en) | 2004-08-05 |
Family
ID=9947579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2003/004861 WO2004044619A2 (en) | 2002-11-11 | 2003-11-11 | Proximity sensor |
Country Status (7)
Country | Link |
---|---|
US (1) | US7459670B2 (en) |
EP (1) | EP1561125A2 (en) |
JP (1) | JP4533147B2 (en) |
CN (1) | CN100340868C (en) |
AU (1) | AU2003283542A1 (en) |
GB (1) | GB2395262A (en) |
WO (1) | WO2004044619A2 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2395289A (en) * | 2002-11-11 | 2004-05-19 | Qinetiq Ltd | Structured light generator |
WO2006033945A2 (en) * | 2004-09-16 | 2006-03-30 | Mar-Rog Specialties, Inc. | Spotlight mounted motion detector |
US20100133424A1 (en) * | 2007-05-26 | 2010-06-03 | Norman Matheson Lindsay | Electro-optical sensors |
IL187637A (en) | 2007-11-26 | 2014-11-30 | Israel Aerospace Ind Ltd | Proximity to target detection system and method |
JP4837105B2 (en) * | 2010-01-22 | 2011-12-14 | 株式会社東芝 | Electronic device and control method |
US9148995B2 (en) * | 2010-04-29 | 2015-10-06 | Hagie Manufacturing Company | Spray boom height control system |
CN102401901B (en) * | 2010-09-16 | 2014-09-10 | 原相科技股份有限公司 | Distance measurement system and distance measurement method |
US8624735B2 (en) | 2010-11-18 | 2014-01-07 | Yael Debra Kellen | Alarm system having an indicator light that is external to an enclosed space for indicating the specific location of an intrusion into the enclosed space and a method for installing the alarm system |
US8599018B2 (en) | 2010-11-18 | 2013-12-03 | Yael Debra Kellen | Alarm system having an indicator light that is external to an enclosed space for indicating the time elapsed since an intrusion into the enclosed space and method for installing the alarm system |
US20120162636A1 (en) * | 2010-12-23 | 2012-06-28 | Silicon Laboratories, Inc. | Proximity detector including anti-falsing mechanism |
US8892163B2 (en) * | 2012-03-06 | 2014-11-18 | Omni Vision Technologies, Inc. | Image sensor having a pulsed mode of operation |
US9123222B2 (en) * | 2012-03-15 | 2015-09-01 | Ninve Jr. Inc. | Apparatus and method for detecting tampering with an infra-red motion sensor |
US8946620B2 (en) | 2012-10-16 | 2015-02-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Proximity sensor device with internal channeling section |
US9151865B2 (en) * | 2013-02-04 | 2015-10-06 | Fraba Nv | Method and system for sensing light reflective surfaces in a reflective photo-electric sensing system including a light channeling device and a foreground suppression performance |
US9772398B2 (en) * | 2014-06-26 | 2017-09-26 | Intersil Americas LLC | Optical proximity sensors with reconfigurable photodiode array |
US9921297B2 (en) * | 2014-11-24 | 2018-03-20 | The Boeing Company | Range enhancement for LIDAR system and IR camera systems |
JP6607709B2 (en) * | 2015-06-08 | 2019-11-20 | ローム株式会社 | Proximity sensor |
US10502830B2 (en) | 2016-10-13 | 2019-12-10 | Waymo Llc | Limitation of noise on light detectors using an aperture |
US11561284B2 (en) * | 2018-11-02 | 2023-01-24 | Waymo Llc | Parallax compensating spatial filters |
US11364456B2 (en) | 2019-03-01 | 2022-06-21 | Brita Lp | Container assembly |
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-
2002
- 2002-11-11 GB GB0226243A patent/GB2395262A/en not_active Withdrawn
-
2003
- 2003-11-11 AU AU2003283542A patent/AU2003283542A1/en not_active Abandoned
- 2003-11-11 CN CNB2003801084767A patent/CN100340868C/en not_active Expired - Fee Related
- 2003-11-11 JP JP2004550804A patent/JP4533147B2/en not_active Expired - Fee Related
- 2003-11-11 EP EP03775516A patent/EP1561125A2/en not_active Withdrawn
- 2003-11-11 US US10/534,494 patent/US7459670B2/en not_active Expired - Fee Related
- 2003-11-11 WO PCT/GB2003/004861 patent/WO2004044619A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793035A (en) * | 1992-07-28 | 1998-08-11 | Patchen, Inc. | Apparatus and method for spraying herbicide on weeds in a cotton field |
US5726443A (en) * | 1996-01-18 | 1998-03-10 | Chapman Glenn H | Vision system and proximity detector |
JPH1031073A (en) * | 1996-07-16 | 1998-02-03 | Nissan Motor Co Ltd | Proximity sensor |
US20010035636A1 (en) * | 1998-11-27 | 2001-11-01 | Hamamatsu Photonics K.K. | Occupant sensor and airbag control apparatus |
Non-Patent Citations (2)
Title |
---|
GOURLAY P M ET AL: "COHERENT KALEIDOSCOPE. II. EXPERIMENTAL OBSERVATIONS OF SIBLING-SPOT FORMATION IN HOLLOW AND SOLID, SQUARE AND RECTANGULAR WAVEGUIDES", APPLIED OPTICS, OPTICAL SOCIETY OF AMERICA,WASHINGTON, US, vol. 33, no. 3, 20 January 1994 (1994-01-20), pages 384 - 396, XP000425016, ISSN: 0003-6935 * |
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) * |
Also Published As
Publication number | Publication date |
---|---|
WO2004044619A2 (en) | 2004-05-27 |
GB2395262A (en) | 2004-05-19 |
CN100340868C (en) | 2007-10-03 |
US7459670B2 (en) | 2008-12-02 |
EP1561125A2 (en) | 2005-08-10 |
AU2003283542A1 (en) | 2004-06-03 |
CN1735817A (en) | 2006-02-15 |
AU2003283542A8 (en) | 2004-06-03 |
JP4533147B2 (en) | 2010-09-01 |
US20060163455A1 (en) | 2006-07-27 |
JP2006505783A (en) | 2006-02-16 |
GB0226243D0 (en) | 2002-12-18 |
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